CN109377841A - Using the floating-type offshore wind power unit experimental provision and its method of stormy waves equivalent device - Google Patents
Using the floating-type offshore wind power unit experimental provision and its method of stormy waves equivalent device Download PDFInfo
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Abstract
The present invention relates to field of ocean engineering, a kind of floating-type offshore wind power unit experimental provision and its method using stormy waves equivalent device, wherein experimental method the following steps are included: (1) experimental model production, (2) setting of pneumatic Load Simulation system parameter, (3) overlap joint of pneumatic Load Simulation system and monitoring unit, (4) connection of monitoring unit and motion control computer, (5) transmission of control instruction, the feedback of (6) motion state.Experimental provision includes the operating system part and experimental model part of the operating system part of wave equivalent device, wind equivalent device.The experimental provision is without relying on wave tank and making wind apparatus, manipulation electric cylinder simulates the motion state under different wave height, the wave load in period to six degree of freedom platform loading force, it solves the problems, such as stringent to the function and wind field quality requirements of making wind apparatus, entire experimental provision structure is simple, it is easy to install, it is easy to operate, securely and reliably.
Description
Technical field
The present invention relates to a kind of floating-type offshore wind power unit experimental provisions and its method using stormy waves equivalent device, belong to
Field of ocean engineering.
Background technique
Wind energy on the sea is as a kind of clean renewable energy, the increasingly attention by countries in the world, when the seawater depth of water
When more than 50m, floating-type offshore wind power unit (FOWT) will have better economic feasibility.FOWT is as emerging front subject
The stormy waves environmental physics characteristic in field, coupling is extremely complex and practical construction project experience is deficient, correlation values research needs
It relies more heavily on physical experiments to be verified, and how truly to reappear maritime environment, improve FOWT model investigation
Precision, be domestic and foreign scholars' question of common concern.
Floating-type offshore wind power unit model is tested, the wind field of wave tank is generally by packaged type array fan at present
It generates, but there are two big challenges: very high to the function and wind field quality requirements of making wind apparatus in the test of one wave tank；
Secondly Froude number and Reynolds number similarity criterion mismatch.Maritime environment how is truly reappeared, floating offshore blower mould is improved
The precision of type experimental study becomes the problem that domestic and foreign scholars pay special attention to, advanced floating-type offshore wind power unit model
Experimental technique is the urgent need of China's offshore wind power development.
Summary of the invention
In order to overcome the deficiencies in the prior art, it is an object of the present invention to provide a kind of using the floating of stormy waves equivalent device
Formula offshore wind farm unit experimental provision and its method.Experimental model part in the experimental provision is for floating-type offshore wind power machine
The motion feature of group designs six degree of freedom platform and replaces making wind apparatus for simulated waves, and simulation Wind turbines have not
Real motion state with wave under high, the period wave load.
In order to achieve the above-mentioned object of the invention, in the presence of solving the problems, such as prior art, technical solution that the present invention takes
It is: a kind of experimental method of the floating-type offshore wind power unit experimental provision using stormy waves equivalent device, comprising the following steps:
The production of step 1, experimental model, to guarantee that experimental model and entity in strict conformity with geometric similarity condition, need
, be according to unified experimental model scaling factor in the production and simulation process of experimental model, experimental model is in ocean engineering pond
It when middle test, need to convert to these scale parameters and configuration design size, be described by formula (1),
In formula, hmBe experimental model test when the depth of water, HmBe experimental model test when wave height, λmTo test mould
Wavelength, h of the type in testsFor the afloat practical depth of water of entity, HsFor the afloat practical wave height of entity, λsExist for entity
Marine actual wavelength；
The setting of step 2, pneumatic Load Simulation system parameter carries out floating Wind turbines in pneumatic Load Simulation system
The setting of wind direction, wind speed parameter suffered by blade under actual working state；
The overlap joint of step 3, pneumatic Load Simulation system and monitoring unit, by pneumatic Load Simulation system and monitoring unit into
The effective overlap joint of row, convenient for monitoring the working condition of floating blower in real time, so as to adjust the parameter in pneumatic Load Simulation system,
And then the working condition in more preferable simulation Practical Project；
The connection of step 4, monitoring unit and motion control computer, by monitoring unit and motion control computer by with
Too net is attached, convenient for monitor in real time floating-type offshore wind power unit working condition, by motion control computer to six from
It is manipulated by degree platform, and then the working condition of more preferable simulation floating-type offshore wind power unit in practical projects；
The transmission of step 5, control instruction sends control instruction, manipulation to servo-driver by motion control computer
The movement of three electric cylinders drives traction rope, and then so that fan blade is generated movement, while manipulating six Zigzag type electric cylinders
Six degree of freedom platform is driven to generate movement；
The information of movement is passed to by way of code device signal and is watched by step 6, the feedback of motion state, experimental model
Driver is taken, next, code device signal is passed to encoder interfaces card by servo-driver, encoder interfaces card passes through ISA
Bus is connected with motion control computer, so that the information for moving experimental model sends motion control computer to, to realize
The effective Feedback of experimental model motion information.
Experimental provision in the method, the operation of operating system part, wind equivalent device including wave equivalent device
Components of system as directed and experimental model part, the operating system part of the wave equivalent device, including monitoring unit 1, motion control
Computer 1, encoder interfaces card 1 and servo-driver 1, the operating system part of the wind equivalent device, including monitoring unit
2, motion control computer 2, encoder interfaces card 2, servo-driver 2 and pneumatic Load Simulation system, wherein pneumatic load mould
Quasi- system is connected with monitoring unit 1,2 respectively, the monitoring unit 1,2 respectively between motion control computer 1,2 by with
Too net connection, is connected between motion control computer 1,2 and encoder interfaces card 1,2 by isa bus, the servo-driver
1 is also connected with motion control computer 1, encoder interfaces card 1 and experimental model part respectively, and the servo-driver 2 also divides
It is not connected with motion control computer 2, encoder interfaces card 2 and experimental model part, by 1,2 pair of servo of motion control computer
Driver 1,2 sends control signal, and servo-driver 1,2 can control experimental model part by servo-drive, meanwhile, experiment
Code device signal can be fed back to encoder interfaces card 1,2 by servo-driver 1,2 by model part, be ultimately passed to monitoring unit
1,2, realize that the information between monitoring unit 1,2 and experimental model part is transmitted；The experimental model part, including six degree of freedom
Platform is equipped with blower, the first, second and third electric cylinder and first, second, third and fourth, five, six pulleys above the six degree of freedom platform
Road group, first electric cylinder are connect by first pulley road group and draught line with fan blade terminal A, and the first electric cylinder is also logical
It crosses second pulley road group and draught line to connect with fan blade endpoint C, when the first electronic cylinder working, drives coupled
One, two pulley road groups work, and transmit the force to coupled fan blade, and then by draught line to simulate the thrust of wind；
Second electric cylinder is connect by the 5th pulley road group and draught line with fan blade, and the second electric cylinder also passes through the 6th pulley
Road group and draught line are connect with fan blade, when the second electronic cylinder working, drive the five, the six coupled pulley road group works
Make, coupled fan blade is transmitted the force to by draught line, and then carry out the restoring force of simulates blower fan；The third is electronic
Cylinder is connect by third pulley road group and draught line with fan blade terminal B, third electric cylinder also pass through the 4th pulley road group and
Draught line is connect with fan blade endpoint D, when the electronic cylinder working of third, drive respectively coupled third pulley road group and
The work of 4th pulley road group, is transmitted the force on coupled fan blade, and then carry out the torsion of simulates blower fan by draught line
Square, first, second and third electric cylinder are connected with servo-driver 1,2 respectively；The six degree of freedom platform relies on six Zigzag types
Electric cylinder supports, and is equipped with universal joint at the top of each Zigzag type electric cylinder and connect with the bottom hinge of six degree of freedom platform,
The bottom of each Zigzag type electric cylinder is equipped with universal joint and connect with base hinge, the Zigzag type electric cylinder, including servo
Motor, high-intensitive servo synchronization band, ball-screw, feed screw nut, bearing and push rod, servo motor pass through high-intensitive servo synchronization
The silk connecting with ball-screw is driven by steel ball with the ball-screw of high-intensitive servo synchronization band connection, ball-screw with driving
Thick stick nut, feed screw nut and the push rod for being equipped with bearing are connected directly to which driving push rod is made to move along a straight line back and forth, and described six
Each Zigzag type electric cylinder in Zigzag type electric cylinder is connected with servo-driver 1,2 respectively；Experiment loads Zigzag type by power
Electric cylinder simultaneously carries out power load to six degree of freedom platform, and simulation Wind turbines are under wave load high, the period with different waves
Motion state, i.e. swaying, surging, heaving, the typical six kinds of movements of yawing, roll and pitch.
The medicine have the advantages that a kind of using the floating-type offshore wind power unit experimental provision of stormy waves equivalent device and its side
Method, wherein experimental method the following steps are included: (1) experimental model production, the setting of (2) pneumatic Load Simulation system parameter,
(3) overlap joint of pneumatic Load Simulation system and monitoring unit, the connection of (4) monitoring unit and motion control computer, (5) control
The transmission of instruction, the feedback of (6) motion state.Experimental provision includes the operating system part of wave equivalent device, the equivalent dress of wind
The operating system part and experimental model part set.The experimental provision manipulates electronic without relying on wave tank and making wind apparatus
Cylinder simulates that different waves are high, the motion state under wave loads of the period to six degree of freedom platform loading force, solves to making wind
The function and wind field quality requirements of device high problem and Froude number and the unmatched problem of Reynolds number similarity criterion, entirely
Experimental provision structure is simple, easy to install, easy to operate, securely and reliably.
Detailed description of the invention
Fig. 1 is the method for the present invention flow chart of steps.
Fig. 2 is experimental provision structural schematic diagram of the present invention.
Fig. 3 is the experimental model partial structure diagram in experimental provision of the present invention.
Fig. 4 is that each of the first, second and third electric cylinder and the six Zigzag type electric cylinders in experimental provision of the present invention are turned back
Formula electric cylinder respectively with servo-driver 1,2 connection signal block diagrams.
Fig. 5 is the electronic cylinder structure schematic diagram of Zigzag type in experimental provision of the present invention.
In figure: 1, six degree of freedom platform, 1a, blower model, 1b, the first electric cylinder, 1c, the second electric cylinder, 1d, third electricity
Dynamic cylinder, 1e, first pulley road group, 1f, second pulley road group, 1g, third pulley road group, 1h, the 4th pulley road group, 1i, the 5th
Pulley road group, 1j, the 6th pulley road group, 2, Zigzag type electric cylinder, 2a, servo motor, 2b, high-intensitive servo synchronization band, 2c, rolling
Ballscrew, 2d, feed screw nut, 2e, bearing, 2f, push rod, 3, universal joint, 4, pedestal.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
As shown in Figure 1, a kind of experimental method of the floating-type offshore wind power unit experimental provision using stormy waves equivalent device, packet
Include following steps:
The production of step 1, experimental model, to guarantee that experimental model and entity in strict conformity with geometric similarity condition, need
, be according to unified experimental model scaling factor in the production and simulation process of experimental model, experimental model is in ocean engineering pond
It when middle test, need to convert to these scale parameters and configuration design size, be described by formula (1),
In formula, hmBe experimental model test when the depth of water, HmBe experimental model test when wave height, λmTo test mould
Wavelength, h of the type in testsFor the afloat practical depth of water of entity, HsFor the afloat practical wave height of entity, λsExist for entity
Marine actual wavelength；
The setting of step 2, pneumatic Load Simulation system parameter carries out floating Wind turbines in pneumatic Load Simulation system
The setting of wind direction, wind speed parameter suffered by blade under actual working state；
The overlap joint of step 3, pneumatic Load Simulation system and monitoring unit, by pneumatic Load Simulation system and monitoring unit into
The effective overlap joint of row, convenient for monitoring the working condition of floating blower in real time, so as to adjust the parameter in pneumatic Load Simulation system,
And then the working condition in more preferable simulation Practical Project；
The connection of step 4, monitoring unit and motion control computer, by monitoring unit and motion control computer by with
Too net is attached, convenient for monitor in real time floating-type offshore wind power unit working condition, by motion control computer to six from
It is manipulated by degree platform, and then the working condition of more preferable simulation floating-type offshore wind power unit in practical projects；
The transmission of step 5, control instruction sends control instruction, manipulation to servo-driver by motion control computer
The movement of three electric cylinders drives traction rope, and then so that fan blade is generated movement, while manipulating six Zigzag type electric cylinders
Six degree of freedom platform is driven to generate movement；
The information of movement is passed to by way of code device signal and is watched by step 6, the feedback of motion state, experimental model
Driver is taken, next, code device signal is passed to encoder interfaces card by servo-driver, encoder interfaces card passes through ISA
Bus is connected with motion control computer, so that the information for moving experimental model sends motion control computer to, to realize
The effective Feedback of experimental model motion information.
Such as Fig. 2,3,4, shown in 5, experimental provision in the method, operating system part including wave equivalent device,
The operating system part and experimental model part of wind equivalent device, the operating system part of the wave equivalent device, including prison
Control unit 1, motion control computer 1, encoder interfaces card 1 and servo-driver 1, the operating system portion of the wind equivalent device
Point, including monitoring unit 2, motion control computer 2, encoder interfaces card 2, servo-driver 2 and pneumatic Load Simulation system,
Wherein pneumatic Load Simulation system is connected with monitoring unit 1,2 respectively, the monitoring unit 1,2 respectively with motion control computer
1, it is connected by Ethernet between 2, by isa bus connection between motion control computer 1,2 and encoder interfaces card 1,2,
The servo-driver 1 is also connected with motion control computer 1, encoder interfaces card 1 and experimental model part respectively, described to watch
It takes driver 2 to be also connected with motion control computer 2, encoder interfaces card 2 and experimental model part respectively, by motion control meter
1,2 pair of servo-driver 1,2 of calculation machine sends control signal, and servo-driver 1,2 can control experimental model by servo-drive
Part, meanwhile, code device signal can be fed back to encoder interfaces card 1,2 by servo-driver 1,2 by experimental model part, most
It is transmitted to monitoring unit 1,2 eventually, realizes that the information between monitoring unit 1,2 and experimental model part is transmitted；The experimental model portion
Divide, including six degree of freedom platform 1, the six degree of freedom platform 1 is equipped with blower model 1a, the first, second and third electric cylinder above
1b, 1c, 1d and first, second, third and fourth, five, six pulley road group 1e, 1f, 1g, 1h, 1i, 1j, the first electric cylinder 1b pass through the
One pulley road group 1e and draught line are connect with blower model 1a blade terminal A, and the first electric cylinder 1b also passes through second pulley road group
1f and draught line are connect with blower model 1a blade endpoint C, when the first electric cylinder 1b work when, drive coupled first,
The work of two pulley road groups 1e, 1f, is transmitted the force on coupled blower model 1a blade by draught line, and then to simulate
The thrust of blower model 1a；The second electric cylinder 1c is connected by the 5th pulley road group 1i and draught line and blower model 1a blade
It connects, the second electric cylinder 1c also passes through the 6th pulley road group 1j and draught line and connect with blower model 1a blade, when the second electric cylinder
When 1c works, drives the five, the six coupled pulley road groups 1i, 1j to work, transmitted the force to by draught line coupled
Blower model 1a blade on, and then carry out the restoring force of simulates blower fan model 1a；The third electric cylinder 1d passes through third pulley
Road group 1g and draught line are connect with blower model 1a blade terminal B, and third electric cylinder 1d also passes through the 4th pulley road group 1h and leads
Lead is connect with blower model 1a blade endpoint D, when third electric cylinder 1d work, drives coupled third pulley respectively
Road group 1g and the 4th pulley road group 1h work, is transmitted the force to by draught line on coupled blower model 1a blade, into
And carrying out the torque of simulates blower fan model 1a, described first, second and third electric cylinder 1b, 1c, 1d are connected with servo-driver 1,2 respectively；
The six degree of freedom platform 1 is supported by six Zigzag type electric cylinders 2, and the top of each Zigzag type electric cylinder 2 is equipped with universal
Section 3 simultaneously connect with the bottom hinge of six degree of freedom platform 1, the bottom of each Zigzag type electric cylinder 2 be equipped with universal joint 3 and with bottom
Seat 4 hinges connection, the Zigzag type electric cylinder 2, including servo motor 2a, high-intensitive servo synchronization band 2b, ball-screw 2c, silk
Thick stick nut 2d, bearing 2e and push rod 2f, servo motor 2a pass through high-intensitive servo synchronization band 2b driving and high-intensitive servo synchronization
Ball-screw 2c, ball-screw 2c with 2b connection drive the feed screw nut 2d, the lead screw that connect with ball-screw 2c by steel ball
The nut 2d and push rod 2f for being equipped with bearing 2e is connected directly to which driving push rod 2f makees round-trip linear motion, and described six are turned back
Each Zigzag type electric cylinder in formula electric cylinder 2 is connected with servo-driver 1,2 respectively；Experiment is electronic by power load Zigzag type
Cylinder 2 simultaneously carries out power load to six degree of freedom platform 1, and simulation Wind turbines are under wave load high, the period with different waves
Motion state, i.e. swaying, surging, heaving, yawing, the typical six kinds of movements of roll and pitch.
Claims (2)
1. a kind of experimental method of the floating-type offshore wind power unit experimental provision using stormy waves equivalent device, it is characterised in that including
Following steps:
The production of step 1, experimental model, to guarantee that experimental model and entity in strict conformity with geometric similarity condition, need testing
, be according to unified experimental model scaling factor in the production and simulation process of model, experimental model is in the pilot scale of ocean engineering pond
It when testing, need to convert to these scale parameters and configuration design size, be described by formula (1),
In formula, hmBe experimental model test when the depth of water, HmBe experimental model test when wave height, λmExist for experimental model
Wavelength, h when testsFor the afloat practical depth of water of entity, HsFor the afloat practical wave height of entity, λsAt sea for entity
Actual wavelength；
It is practical to carry out floating Wind turbines in pneumatic Load Simulation system for the setting of step 2, pneumatic Load Simulation system parameter
The setting of wind direction, wind speed parameter suffered by blade under working condition；
The overlap joint of step 3, pneumatic Load Simulation system and monitoring unit has pneumatic Load Simulation system with monitoring unit
The overlap joint of effect, convenient for monitoring the working condition of floating blower in real time, so as to adjust the parameter in pneumatic Load Simulation system, in turn
Working condition in more preferable simulation Practical Project；
Monitoring unit and motion control computer are passed through Ethernet by the connection of step 4, monitoring unit and motion control computer
It is attached, convenient for monitoring the working condition of floating-type offshore wind power unit in real time, by motion control computer to six degree of freedom
Platform is manipulated, and then the working condition of more preferable simulation floating-type offshore wind power unit in practical projects；
The transmission of step 5, control instruction sends control instruction to servo-driver by motion control computer, manipulates three
The movement of electric cylinder drives traction rope, and then fan blade is made to generate movement, while manipulating six Zigzag type electric cylinders and driving
Six degree of freedom platform generates movement；
The information of movement is passed to servo by way of code device signal and driven by step 6, the feedback of motion state, experimental model
Dynamic device, next, code device signal is passed to encoder interfaces by servo-driver, encoder interfaces pass through isa bus and fortune
Dynamic control computer is connected, so that the information for moving experimental model sends motion control computer to, to realize experimental model
The effective Feedback of motion information.
2. the experimental provision in method according to claim 1, equivalent including the operating system part of wave equivalent device, wind
The operating system part and experimental model part of device, it is characterised in that: the operating system part of the wave equivalent device, packet
Include monitoring unit 1, motion control computer 1, encoder interfaces 1 and servo-driver 1, the operating system of the wind equivalent device
Part, including monitoring unit 2, motion control computer 2, encoder interfaces 2, servo-driver 2 and pneumatic Load Simulation system,
Wherein pneumatic Load Simulation system is connected with monitoring unit 1,2 respectively, the monitoring unit 1,2 respectively with motion control computer
1, it is connected by Ethernet between 2, passes through isa bus connection, institute between motion control computer 1,2 and encoder interfaces 1,2
It states servo-driver 1 to be also connected with motion control computer 1, encoder interfaces 1 and experimental model part respectively, the servo is driven
Dynamic device 2 is also connected with motion control computer 2, encoder interfaces 2 and experimental model part respectively, by motion control computer 1,
2 pairs of servo-drivers 1,2 send control signal, and servo-driver 1,2 can control experimental model part by servo-drive, together
When, code device signal can be fed back to encoder interfaces 1,2 by servo-driver 1,2 by experimental model part, be ultimately passed to supervise
Unit 1,2 is controlled, realizes that the information between monitoring unit 1,2 and experimental model part is transmitted；The experimental model part, including six
Freedom degree platform, be equipped with above the six degree of freedom platform blower, the first, second and third electric cylinder and first, second, third and fourth, five,
Six pulley road groups, first electric cylinder are connect by first pulley road group and draught line with fan blade terminal A, and first is electronic
Cylinder also passes through second pulley road group and draught line and connect with fan blade endpoint C, when the first electronic cylinder working, drives and its phase
The first and second pulley road group work even, transmits the force to coupled fan blade, and then by draught line to simulate wind
Thrust；Second electric cylinder is connect by the 5th pulley road group and draught line with fan blade, and the second electric cylinder also passes through the
Six pulley road groups and draught line are connect with fan blade, when the second electronic cylinder working, drive the five, the six coupled pulleys
The work of road group, coupled fan blade is transmitted the force to by draught line, and then carry out the restoring force of simulates blower fan；Described
Three electric cylinders are connect by third pulley road group and draught line with fan blade terminal B, and third electric cylinder also passes through the 4th pulley
Road group and draught line are connect with fan blade endpoint D, when the electronic cylinder working of third, drive coupled third pulley respectively
Road group and the work of the 4th pulley road group, are transmitted the force on coupled fan blade by draught line, and then to simulate wind
The torque of machine, first, second and third electric cylinder are connected with servo-driver 1,2 respectively；The six degree of freedom platform relies on six
Zigzag type electric cylinder supports, and is equipped with universal joint and the bottom hinge with six degree of freedom platform at the top of each Zigzag type electric cylinder
Connection, the bottom of each Zigzag type electric cylinder are equipped with universal joint and connect with base hinge, the Zigzag type electric cylinder, including
Servo motor, high-intensitive servo synchronization band, ball-screw, feed screw nut, bearing and push rod, servo motor pass through high-intensitive servo
Synchronous belt driving is driven by steel ball and is connect with ball-screw with the ball-screw of high-intensitive servo synchronization band connection, ball-screw
Feed screw nut, feed screw nut be connected directly with the push rod for being equipped with bearing to which driving push rod makees round-trip linear motion, it is described
Each Zigzag type electric cylinder in six Zigzag type electric cylinders is connected with servo-driver 1,2 respectively；Experiment is loaded by power rolls over
It returns formula electric cylinder and power load is carried out to six degree of freedom platform, simulation Wind turbines are in wave lotus high, the period with different waves
Motion state under carrying, i.e. swaying, surging, heaving, yawing, the typical six kinds of movements of roll and pitch.
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| CN109883645A (en) * | 2019-03-15 | 2019-06-14 | 上海交通大学 | The equivalent simulation method and apparatus of floating blower model test floating motion |
| CN110607811A (en) * | 2019-10-25 | 2019-12-24 | 中铁第四勘察设计院集团有限公司 | Pile group loading test device and method for simulating high-speed rail bridge operation load |
| CN113740025A (en) * | 2021-07-30 | 2021-12-03 | 华南理工大学 | Test equipment suitable for floating fan active real-time mixed model test |
| CN113933016A (en) * | 2021-08-26 | 2022-01-14 | 华北电力大学 | Wind tunnel test device and method for simulating floating type wind turbine generator movement response |
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